| Title | Changes in soil microbial community activity and composition following substrate amendment within the MicroResp (TM) system |
| Publication Type | Journal Article |
| Year of Publication | 2022 |
| Authors | Gao F., Fan H.X, Chapman S.J, Yao H.Y |
| Journal | Journal of Soils and Sediments |
| Volume | 22 |
| Pagination | 1242-1251 |
| Date Published | Apr |
| Type of Article | Article |
| ISBN Number | 1439-0108 |
| Accession Number | WOS:000750335000001 |
| Keywords | Agriculture, biomass, diversity, Environmental Sciences & Ecology, Incubation time, management, microresp (tm), physiological profiles, respiration, shifts, soil microbial community, Substrate induced respiration (SIR) |
| Abstract | Purpose The aim of study was to revisit the assumptions of the MicroResp (TM) method and to determine the factors that control the substrate induced respiration (SIR) profiles. The following hypotheses were addressed: (1) SIR changes as a result of substrate form, incubation duration and soil type and (2) prolonged incubation of soils within the MicroResp (TM) assay results in shifts in the microbial community composition and consequently produces different SIR profiles. Materials and methods Two different soils (paddy soil and forest soil) were selected, and combined MicroResp (TM) and highthroughput sequencing were used to explore the relationships between SIR patterns and microbial diversity during 72 h of incubation in the two distinct soil types. Results and discussion The results confirmed that SIR pattern of soil was sensitive to substrate, incubation duration, and soil type. However, both soils showed similar responses to most substrates applied. Principal coordinates analysis showed that the SIR patterns shifted over 72 h in both soils. The structure of the microbial community in soils, when treated with D-glucose, L-arginine, or protocatechuic acid, shifted significantly after only 6 h incubation. Conclusions The results indicated the SIR profiles were determined by microbial community characteristics, incubation duration, and soil type. Especially, the duration of incubation should be carefully considered when applying MicroResp (TM) to soil, in which prolonged incubation (> 6 h) might prompt biases to microbial structure through growth and community alteration.
|
| Short Title | J. Soils SedimentsJ. Soils Sediments |
| Alternate Journal | J. Soils Sediments |
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Times Cited: 1
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Gao, Feng Fan, Haoxin Chapman, Stephen J. Yao, Huaiying
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [42021005, 42077036]
This work was supported by the National Natural Science Foundation of China [Grant Numbers 42021005, 42077036].
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Yao, HY (corresponding author), Wuhan Inst Technol, Sch Environm Ecol & Biol Engn, Res Ctr Environm Ecol & Engn, Wuhan 430073, Peoples R China.; Yao, HY (corresponding author), Chinese Acad Sci, Inst Urban Environm, Key Lab Urban Environm & Hlth, Xiamen 361021, Peoples R China.; Yao, HY (corresponding author), Chinese Acad Sci, Zhejiang Key Lab Urban Environm Proc & Pollut Con, Ningbo Urban Environm Observat & Res Stn, Ningbo 315800, Peoples R China.
hyyao@iue.ac.cn
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